/*
 * Inverse of to_symmetric_binary_matrix.
 * Calling conventions are analogous.
 */
#include <cstdlib>
#include <iostream>
#include <sstream>
#include <string>
#include "symmetric_matrix.h"

using namespace std;

int main(int argc, char **argv) {
  if (argc != 2 && argc != 3) {
    cerr<<"see comments for usage"<<endl;
    exit(EXIT_FAILURE);
  }
  size_t n = (size_t)atol(argv[1]);
  string type = "float";
  if (argc == 3) {
    type = argv[2];
  }

  if (type == "float") {
    // Read matrix into memory. We effectively keep the lower triangle.
    symmetric_matrix<float> m(n);
    m.read_binary(cin);
    cout.precision(8);

    for (size_t i = 0; i < n; ++i) {
      for (size_t j = 0; j < n; ++j) {
        cout<<m(i, j)<<" ";
      }
      cout<<endl;
    }
  } else if (type == "int") {
    // Read matrix into memory. We effectively keep the lower triangle.
    symmetric_matrix<int> m(n);
    m.read_binary(cin);

    for (size_t i = 0; i < n; ++i) {
      for (size_t j = 0; j < n; ++j) {
        cout<<m(i, j)<<" ";
      }
      cout<<endl;
    }
  } else {
    cerr<<"unrecognized type "<<type<<endl;
  }

  return EXIT_SUCCESS;
}

/*
* Copyright (c) 2009 John Lees-Miller
* 
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
* 
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/

